Definition: A figure of speech in which a word or phrase literally denoting one kind of object or idea is used in place of another to suggest a likeness or analogy between them (as in drowning in money); broadly: figurative language.
Definition: a figure of speech comparing two unlike things that is often introduced by like or as (as in cheeks like roses)
Metaphor: “She’s a tiger when she’s angry.”
Simile: “She’s as fierce as a tiger.”
-Merriam-Webster Dictionary (2011)